<?php
/**
 * This file is part of workerman.
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the MIT-LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @author walkor<walkor@workerman.net>
 * @copyright walkor<walkor@workerman.net>
 * @link http://www.workerman.net/
 * @license http://www.opensource.org/licenses/mit-license.php MIT License
 */

/**
 * 用于检测业务代码死循环或者长时间阻塞等问题
 * 如果发现业务卡死，可以将下面declare打开（去掉//注释），并执行php start.php reload
 * 然后观察一段时间workerman.log看是否有process_timeout异常
 */
//declare(ticks=1);

use \GatewayWorker\Lib\Gateway;

/**
 * 主逻辑
 * 主要是处理 onConnect onMessage onClose 三个方法
 * onConnect 和 onClose 如果不需要可以不用实现并删除
 */
class Events
{
    /**
     * 当客户端连接时触发
     * 如果业务不需此回调可以删除onConnect
     * 
     * @param int $client_id 连接id
     */
    public static function onConnect($client_id)
    {
        $data = ['type' => 'init','client_id' => $client_id];
        // 向当前client_id发送数据
        Gateway::sendToClient($client_id, json_encode($data,JSON_UNESCAPED_UNICODE));

    }
    
   /**
    * 当客户端发来消息时触发
    * @param int $client_id 连接id
    * @param mixed $message 具体消息
    */
   public static function onMessage($client_id, $message)
   {
        $data = json_decode($message,true);
        if ($data){
            switch ($data['type']){
                case 'bind':
                    Gateway::bindUid($client_id,$data['userId']);
                    break;
                case 'popupMsg'://后台发送 发送提示消息
                    $obj = ['type'=>'popupMsg','content'=> htmlspecialchars($data['msg'])];
                    Gateway::sendToUid($data['to'],json_encode($obj,JSON_UNESCAPED_UNICODE));
                    break;
                case 'over'://后台发送 发送终止考试命令
                    $obj = ['type'=>'over','content'=> htmlspecialchars($data['msg'])];
                    Gateway::sendToUid($data['to'],json_encode($obj,JSON_UNESCAPED_UNICODE));
                    break;
                case 'illegal'://后台监听 违规人员信息
                    $obj = ['type'=>'illegal','illegal_id'=> $data['illegal_id']];
                    Gateway::sendToUid($data['to'],json_encode($obj,JSON_UNESCAPED_UNICODE));
                    break;
                case 'onSubmit'://后台监听 用户交卷
                    $obj = ['type'=>'onSubmit','userId' => $data['userId'],'paperId' => $data['paperId'] ];
                    Gateway::sendToUid($data['to'],json_encode($obj,JSON_UNESCAPED_UNICODE));
                    break;

            }
        }
   }
   
   /**
    * 当用户断开连接时触发
    * @param int $client_id 连接id
    */
   public static function onClose($client_id)
   {
//       // 向所有人发送
//       GateWay::sendToAll("$client_id logout\r\n");
   }
}
